Home / 19,040.56-28,544.40-7,361.98

Finding the Fourth Proportional to 19,040.56, 28,544.40 and 7,361.98

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Solution

The fourth proportional to 19,040.56, 28,544.40 and 7,361.98 is: 11,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.56 : 28,544.40 = 7,361.98 : x
  2. Step 2: Convert to fraction form
    19,040.56/28,544.40 = 7,361.98/x
  3. Step 3: Cross multiply
    19,040.56x = 28,544.40 × 7,361.98
  4. Step 4: Simplify right side
    19,040.56x = 210,143,301.91
  5. Step 5: Solve for x
    x = 210,143,301.91/19,040.56
  6. Step 6: Final answer
    x = 11,036.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.